/challenges-projects/design-challenges/experimenting-with-magnetic-components/b/blog/posts/experiment-with-magnetic-component---blog-3-calibrating-the-equipmentEquipment caliberation:-Equipment required:1)osciloscope2)spike gaurd with faulty power line detector. How it is done ?First we look out for proper earthing plug with the spike guards faulty line detector. On the spike guard with power line fault...en-USTelligent Community 12